利用ＰＬＣ－８１２接噪反的Ａ／Ｄ和Ｄ／Ａ功能，实现微机和国产非智能化恒电位仪之间的信息互通，组成电化学暂态测试系统，开发了基于ＷＩＮＤＯＷＳ操作平台的接口软件，实现快速、精确的数据采样；从软件出发实现多种有效的数字滤波方法，消减噪声干扰，并用模拟电路验证了测试系统的可靠性。
An electmchemical transient measumnent system has been established by exchanging information between a native electmchemical measurement unit and a p d computer hugh a FU-812 interface card. Interface software for windows was developed so that a rapid and precise way of data acquisition could be obtained. Several methods of sob dgital filter have been pmvided to diminish the impact of noise. ?he measmental results of an equivalent circuit shaved that this measurement system is reliable.
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